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404.html (4029B)

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<!doctype html>
<html>
  <head>
    <title>404 Not Found</title>
    <!-- https://3dtransforms.desandro.com/ -->
    <style>
      html {
        font-family:
          Helvetica Neue,
          Helvetica,
          Arial,
          sans-serif;
        background-color: white;
        color: white;
      }

      .outer {
        display: table;
        position: absolute;
        top: 0;
        left: 0;
        height: 100%;
        width: 100%;
      }

      .middle {
        display: table-cell;
        vertical-align: middle;
      }

      .inner {
        margin-left: auto;
        margin-right: auto;
        width: 400px;
      }

      /* ---- cube---- */

      .scene--cube {
        width: 300px;
        height: 300px;
        margin: 80px 0;
        perspective: 500px;
      }

      .scene--persp-cube {
        perspective: 400px;
      }

      .cube {
        width: 300px;
        height: 300px;
        position: relative;
        transform-style: preserve-3d;
        transform: translateZ(-150px);
      }

      .scene--hero {
        height: 300px;
        margin: 80px 0;
        perspective: 500px;
        border: none;
      }

      .cube--hero {
        margin: 0 auto;
      }

      .cube.is-spinning {
        animation: spinCube 7s infinite linear;
      }

      @keyframes spinCube {
        0% {
          transform: translateZ(-150px) rotateX(0deg) rotateY(0deg);
        }
        100% {
          transform: translateZ(-150px) rotateX(360deg) rotateY(360deg);
        }
      }

      .cube__face {
        position: absolute;
        width: 300px;
        height: 300px;
        border: 2px solid black;
        line-height: 300px;
        font-size: 40px;
        font-weight: bold;
        color: white;
        text-align: center;
      }

      .cube.is-backface-hidden .cube__face {
        backface-visibility: hidden;
      }

      .cube__face--front {
        background: hsla(0, 100%, 50%, 0.7);
      }
      .cube__face--right {
        background: hsla(60, 100%, 50%, 0.7);
      }
      .cube__face--back {
        background: hsla(120, 100%, 50%, 0.7);
      }
      .cube__face--left {
        background: hsla(180, 100%, 50%, 0.7);
      }
      .cube__face--top {
        background: hsla(240, 100%, 50%, 0.7);
      }
      .cube__face--bottom {
        background: hsla(300, 100%, 50%, 0.7);
      }

      .cube__face--front {
        transform: rotateY(0deg) translateZ(150px);
      }
      .cube__face--right {
        transform: rotateY(90deg) translateZ(150px);
      }
      .cube__face--back {
        transform: rotateY(180deg) translateZ(150px);
      }
      .cube__face--left {
        transform: rotateY(-90deg) translateZ(150px);
      }
      .cube__face--top {
        transform: rotateX(90deg) translateZ(150px);
      }
      .cube__face--bottom {
        transform: rotateX(-90deg) translateZ(150px);
      }

      .cube.show-front {
        transform: translateZ(-150px) rotateY(0deg);
      }
      .cube.show-right {
        transform: translateZ(-150px) rotateY(-90deg);
      }
      .cube.show-back {
        transform: translateZ(-150px) rotateY(-180deg);
      }
      .cube.show-left {
        transform: translateZ(-150px) rotateY(90deg);
      }
      .cube.show-top {
        transform: translateZ(-150px) rotateX(-90deg);
      }
      .cube.show-bottom {
        transform: translateZ(-150px) rotateX(90deg);
      }
    </style>
  </head>
  <body>
    <div class="outer">
      <div class="middle scene scene--hero">
        <div class="inner cube cube--hero is-spinning">
          <div class="cube__face cube__face--front">404</div>
          <div class="cube__face cube__face--right">Oops!</div>
          <div class="cube__face cube__face--back">pngu.org</div>
          <div class="cube__face cube__face--left">HTTP/1.1</div>
          <div class="cube__face cube__face--top">text/html</div>
          <div class="cube__face cube__face--bottom">Not Found</div>
        </div>
      </div>
    </div>
  </body>
</html>